[PEPPo] Jlab Spectrometer Field Map

[voutier at lpsc.in2p3.fr]

  Great News Serkan !!
  It might be helpfull to have a "modified Jlab field map" that would put
  the actual Jlab map in the PEPPo frame and on which everybody can rely.
  Just to make sure that we are all talking the same language.
  Eric

Serkan Golge <golge at jlab.org> a écrit :

> Hi all,
>
> I found the issue with spectrometer field map (Jlab). I sent e- beam, as
> if the beam were sent from the polarimeter. The result is attached. The
> beam is completely transmitted to the expected location. In the beam , I
> have not used any kind of offset in any direction. Just lock and load..
>
> 6.2 MeV was the total energy of the e- beam and 158 A spectrometer
> current. 152 A gave an offset significantly.
>
> I attached the field map as well. In this attached map, for proper
> bending, one should send the beam from (-x,-z) quadrant.
> -Current is electron mode, +Current is positron mode. So if you plan to
> use this map w/o any modification, T1 tungsten should be located at
> (-228.6 mm,-284.22 mm).
>
>
> Serkan



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